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Q.
The speed of sound waves in a gas
J & K CETJ & K CET 2007Waves
Solution:
Speed of sound is independent of changes, in pressure, it depends upon density of the gas.
$v=\sqrt{\frac{\gamma P}{\rho}}$
where $\gamma=\frac{C_{p}}{C_{V}}$,
$P$ pressure, $\rho$ density